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Transcript of Mechanisms of Language Change Holger Diessel University of Jena [email protected]
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Mechanisms of Language Mechanisms of Language ChangeChange
Holger DiesselHolger DiesselUniversity of JenaUniversity of Jena
[email protected]@uni-jena.dehttp://www.holger-diessel.de/http://www.holger-diessel.de/
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Language evolutionLanguage evolution
Human beings are the
only species with
language.
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Language evolutionLanguage evolution
Attempts at
teaching nonhuman
primates language
have failed.
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Language evolutionLanguage evolution
Where does language come from?
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Language evolutionLanguage evolution
What are the genetic prerequisites for language?
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Language evolutionLanguage evolution
People with a defective FOXP2 gene are unable to
select and produce the fine movements with the
tongue and lips that are necessary to speak clearly.
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Language evolutionLanguage evolution
‘A Language Gene is Identified.’
[Washington Post Oct. 2001]
The FOXP2 gene in
language development
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Language evolutionLanguage evolution
FOXP2 seems to play an important role in
controlling motor movement, but motor movement
has nothing to do with language and cognition.
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Language evolutionLanguage evolution
How did language (notably grammar) evolve?
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Language evolutionLanguage evolution
Many researchers agree that language evolution /
development has two important cognitive prerequisites:
The ability to understand (linguistic) symbolsThe ability to understand (linguistic) symbols The ability to combine symbols to larger unitsThe ability to combine symbols to larger units
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The symbolic nature of The symbolic nature of languagelanguage
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What are the cognitive prerequisites for understanding
symbols?
The symbolic nature of The symbolic nature of languagelanguage
In order to understand/use symbols I need to under-
stand that other people are mental beings like I am.
[Tomasello 1999]
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Where does grammar come from?
The symbolic nature of The symbolic nature of languagelanguage
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(1) Peter was hit by a car.
(2) The letter was written by Mary.
(3) She was kissed by someone.
(4) The city was destructed by the enemy.
The symbolic nature of The symbolic nature of languagelanguage
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SUBJ be V-ed by PP
X is affected by Y
The symbolic nature of The symbolic nature of languagelanguage
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Where do grammatical constructions come from?Where do grammatical constructions come from?
Where do grammatical morphemes come from?Where do grammatical morphemes come from?
The evolution of grammarThe evolution of grammar
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Content wordsContent words Grammatical markersGrammatical markers
The evolution of grammarThe evolution of grammar
Words are commonly divided into two basic types:
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The evolution of grammarThe evolution of grammar
Content words are prototypical signs (or symbols) that combine a sequence of speech sounds with a particular concept (or meaning).
Grammatical markers are semantically more abstract and their occurrence seems to be dependent on the occurrence of content words.
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The evolution of grammarThe evolution of grammar
The categories of content words (i.e. nouns and verbs) are universal.
But the categories of grammatical markers are language-specific: There are many languages that do not have articles, auxiliaries, relative pronouns, complementizers, modal verbs etc.
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The evolution of grammarThe evolution of grammar
Content words and grammatical markers are two
different types of expressions that may have evolved
differently in the evolution of human language.
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The evolution of grammarThe evolution of grammar
If human language is symbolic, as commonly assumed, one can easily imagine a scenario in which our ancestors came up with words for fire, tree or stone:
But how do we explain the evolution of grammatical markers?
How do we explain the evolution of bound morphemes such as the English past tense suffix –ed or the grammatical case markers in German: der Mann, den Mann, dem Manne, des Mannes
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The evolution of grammarThe evolution of grammar
(1) Jack’s gonna come because he has won.
is gonnais gonna >> motion verb (is going to)motion verb (is going to) becausebecause >> PP (by cause)PP (by cause) hehe >> DEMDEM hashas >> verb of possessionverb of possession
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GrammaticalizationGrammaticalization
Grammaticalization is the process whereby lexical items develop into grammatical items and items that are already grammaticalized assume new grammatical functions.
[Hopper and Traugott 1993]
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GrammaticalizationGrammaticalization
Auxiliaries
gonna motion verb
will verb of intention
have verb of possession
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GrammaticalizationGrammaticalization
Conjunctions
while DEM hwile SUB (hwile = ‘time’)
therefore DEM + P
given PTC
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GrammaticalizationGrammaticalization
Prepositions
during Ving
in front of PP
ago Prefix-gone (‘a-gone’)
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GrammaticalizationGrammaticalization
Indefinite markers
somebody NP
a numeral (‘one’)
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GrammaticalizationGrammaticalization
Epistemic markers
y’know ‘(do you) you know’ [question]
(I) think main clause
guess imperative main clause
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GrammaticalizationGrammaticalization
Transparent forms
nevertheless
however
moreover
in case
is about to
that’s why
in order to
gotta
regarding
in the course of
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GrammaticalizationGrammaticalization
Pronouns/determiners
ein numeral
der DEM
jemand je ein Mann (=irgendeine beliebige Person)
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GrammaticalizationGrammaticalization
Conjunctions
weil Phrase include the noun ‘Weile’
nachdem P + DEM
falls Fall
dadurch DEM + P
deswegen DEM + P
vorausgesetzt PTC
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Prepositions
(1) Kraft seiner Autorität
(2) Anhand des Beispiels
(3) Infolges des Angriffs auf den Irak
(4) Anlässlich seines Geburtstags
GrammaticalizationGrammaticalization
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(1) An der Hand dieser Beispiele > anhand
(2) In der Folge dieses Ereignisses > infolge
(3) Aus Anlass dieses Ereignisses > anlässlich
(4) Ohne Achtung des Risikos > ungeachtet
GrammaticalizationGrammaticalization
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GrammaticalizationGrammaticalization
Auxiliaries
(1) Das brauchst du nicht zu tun.
(2) Ich brauche deine Unterstützung.
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GrammaticalizationGrammaticalization
Where do bound morphemes come from?
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GrammaticalizationGrammaticalization
Latin Spanish Gloss
cantare habeo
cantare habes
cantare habet
cantare habermus
cantare habetis
cantare habent
cantaré
cantarás
cantará
cantaremos
cantareís
cantarán
‘I’ll sing’
‘you’ll sing’
‘he’ll sing’
‘we’ll sing’
‘you’ll sing’
‘they’ll sing’
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GrammaticalizationGrammaticalization
Bound morphemes
N–ly noun meaning ‘with an x-appearance’
N-hood noun meaning ‘person/sex/quality’
N-ful hand full of x
V–ed auxiliary ‘do’ (uncertain)
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GrammaticalizationGrammaticalization
All grammatical morphemes have developed out of
lexical morphemes, principally nouns and verbs…
[Bybee 2003]
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Cline of grammaticalizationCline of grammaticalization
lexicon grammar
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Grammaticalization of Grammaticalization of demonstrativesdemonstratives
Third person pronouns
he / it
er / sie / es
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Grammaticalization of Grammaticalization of demonstrativesdemonstratives
Definite article
the
der/die/das
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Grammaticalization of Grammaticalization of demonstrativesdemonstratives
Relative pronouns
that
der/die/das
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Grammaticalization of Grammaticalization of demonstrativesdemonstratives
Complementizers
that
dass
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Grammaticalization of Grammaticalization of demonstrativesdemonstratives
Sentence connectives/conjunctions
thus / therefore
deshalb / dadurch
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Grammaticalization of Grammaticalization of demonstrativesdemonstratives
Directional preverbs
hin-gehen
her-kommen
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Grammaticalization of Grammaticalization of demonstrativesdemonstratives
Copulas
NP, [DEM NP] > NP be NP
Der Mann, der ein Polizist. >
Der Mann ist ein Polizist.
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Grammaticalization of Grammaticalization of demonstrativesdemonstratives
There is no evidence from any language that
demonstratives developed from content words.
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Grammaticalization of Grammaticalization of demonstrativesdemonstratives
In their basic use, demonstratives function to
establish joint attention.
Demonstratives have a special status in language;
they serve one of the most basic functions of human
communication.
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Joint attentionJoint attention
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Joint attentionJoint attention
Up to the age of 9 to 12 months, children’s interactions
are exclusively dyadic:
Infant interacts with adultInfant interacts with adult Infant focuses attention on objectInfant focuses attention on object
At the end of the first year children begin to engage in
triadic interactions.
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Joint attentionJoint attention
Triadic situation (Bühler 1934)
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Joint attentionJoint attention
The shift from dyadic to triadic interactions is reflected
in the emergence of joint attentional behaviours such
as eye gaze and pointing.
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Joint attentionJoint attention
Proto-imperativesProto-imperatives Proto-declarativesProto-declaratives
Bates et al. (1976, 1979)
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Joint attentionJoint attention
Proto-imperatives are pointing gestures that resemble
reaching gestures produced with the intention to obtain
an object.
Proto-declaratives are pointing gestures produced with
the sole intention to focus the addresses’ attention on
a particular object.
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Joint attentionJoint attention
Declarative pointing is a unique trait of human communication.
Declarative pointing gestures are produced with the sole intention to establish joint attention.
Declarative pointing (and joint attention) presupposes that the communicative partners understand each other as mental or intentional agents and are able to engage in triadic interactions.
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Joint attentionJoint attention
Imperative pointing does not necessarily involve joint attention.
In order to learn imperative point, chimpanzees have to recognize that there is some kind of ‘causal link’ between the pointing gesture and the addressee’s reaction.
But they do not have to understand that the (human) addressee reacts in this way because s/he interprets the pointing gesture as a communicative act.
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DemonstrativesDemonstratives
Demonstratives are closely related to declarative pointing; they are the quintessential linguistic device to establish joint attention.
The particular communicative function of demonstratives is reflected in a number of properties that distinguishes them from all other linguistic expressions.
This is not a typical grammatical function.
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DemonstrativesDemonstratives
Demonstratives are universal.Demonstratives are universal. Demonstratives emerge very early in language Demonstratives emerge very early in language
acquisition.acquisition.
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DemonstrativesDemonstratives
Eve Naomi Nina Peter Total %mean
1. that2. it3. a4. there5. the6. my7. what8. no9. mommy…13. this…15. here
860481581299340348146353283…41…67
3274889717514561511138187…406…31
2411422345234131410117148…52…247
3663033495007416116211529…97…96
1794141412611026900884829723647…596…441
3.12.52.32.11.91.81.51.21.2…1.2…1.1
Total 20.512 13.072 8.551 12.255 54.390 100
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DemonstrativesDemonstratives
Demonstratives are universal.Demonstratives are universal. Demonstratives emerge very early in language Demonstratives emerge very early in language
acquisition.acquisition. Demonstratives are very old.Demonstratives are very old.
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DemonstrativesDemonstratives
German der hier der da
French celui-ci celui-là
Swedish denhär dendär
Reinforcement:
Latin ille
Vulgar Latin ecce ille
Old French cest cel
French ce
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DemonstrativesDemonstratives
Demonstratives emerged very early in the evolution of
language so that we simply do not know how they
evolved.
Demonstratives are part of the basic vocabulary of
every language.
Demonstratives provide a common historical source for
some of the most frequent grammatical markers.
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DemonstrativesDemonstratives
The grammaticalization of demonstratives originates from
the anaphoric and discourse-deictic uses.
(1) The Yukon lay a mile wide and hidden under three feet of ice. On top of this ice were as many feet of snow.
(2) Oh, pretty big. Big enough so that the rock doesn't look nearly as tall as it is. The top's bigger than the base. The bluff is sort of worn away for several
hundred feet up. That's one reason it's so hard to climb.
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DemonstrativesDemonstratives
Anaphoric and discourse-deictic demonstratives involve the same psychological mechanisms as demonstratives that speakers use with text-external reference. In both uses, demonstratives focus the interlocutors’ attention on a particular referent.
Joint attention is thus not only important to coordinate the interlocutors’ attentional focus in the speech situation, it also plays an important role in the internal organization of discourse.
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DemonstrativesDemonstratives
When anaphoric and discourse deictic demonstratives are routinely used to express a particular relationship between two linguistic units, they often loose their deictic force and develop into grammatical markers.
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DemonstrativesDemonstratives
(1) Listen to this: Jack told me that he won’t come.
Demonstratives > complementizer
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DemonstrativesDemonstratives
(2) Middle High German
joh gizalta in sâr thaZ,and told them immediately that
thiu sâlida untar in uuasthe luck among them was
‘And he told them immediately that good fortune was among them.’
Demonstratives > complementizer
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DemonstrativesDemonstratives
(3) Old English
D{t gefremede Diuliushiora consulthat arranged Diuliustheir consul
D{t D{t angin wearD tidlice DurthogenCOMP that beginning was in.time achieved
‘Their consul Diulius arranged (it) that it was started on time.’
Demonstratives > complementizer
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DemonstrativesDemonstratives
Grammatical markers that commonly develop from demonstratives:
ComplementizersComplementizers Relative pronounsRelative pronouns Third person pronounsThird person pronouns Definite articlesDefinite articles ConjunctionsConjunctions Directional preverbsDirectional preverbs CopulasCopulas Focus markersFocus markers
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DemonstrativesDemonstratives
Content words Demonstratives
Grammaticalmarkers
Grammaticalmarkers
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Where do grammatical constructions come from?
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The development of The development of constructionsconstructions
Peter saw that: Mary kissed John.
NP
VP
S
NP V PRO NP V NP
S
VP
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The development of The development of constructionsconstructions
Peter saw that Mary kissed John.
SSUB
VP
S
NP V COMP NP V NP
S
VP
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The development of The development of constructionsconstructions
I am going to marry Bill.
VPNP
S
PRO AUX V INF V NP
SSUB
VP
S
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The development of The development of constructionsconstructions
I am.going.to marry Bill.
AUXNP
S
PRO V N
NP
VP
VP
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GrammaticalizationGrammaticalization
going to > gonna
I will > I’ll
I am > I’m
do not > don’t
Phonetic reduction
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GrammaticalizationGrammaticalization
that /those > that [complementizer]
go-ing > gonna
give > given
Loss of inflectional properties
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GrammaticalizationGrammaticalization
want to > wanna
[in [front [of__]]] > [in front of [ __ ]]
some DET body N > [somebody] PRO
Loss of constituent structure
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GrammaticalizationGrammaticalization
have (poss) > have (aux)
go (motion) > gonna (aux)
stomach (concrete) > in (relational)
Semantic bleaching
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GrammaticalizationGrammaticalization
Grammaticalization is unidirectional.
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DegrammaticalizationDegrammaticalization
ups and downs
if and buts
I dislike her use of isms
a downer
siezen/duzen
das Für und Wider
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GrammaticalizationGrammaticalization
It provides a straightforward answer to the question ‘Where
does grammar come from?’
It challenges the assumption that linguistic categories have
rigid category boundaries: Is in front of a PP or a
preposition? Indirect support for a prototype approach to
linguistic categorization.
It challenges the static view of grammar: Linguistic
structures and linguistic categories are constantly
changing. What we need is a dynamic theory of grammar.
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GrammaticalizationGrammaticalization
Grammaticalization involves general cognitive or
psychological process.
Grammaticalization often involves a mapping between
two cognitive domains.
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From space to timeFrom space to time
(1) a. The priest stood before the altar.
b. St. Michael’s day is before Christmas.
(2) a. Bill is in Leipzig.
b. He will come in the spring.
(3) a. The balloon flew over the hill.
b. The game is over.
(4) a. He followed him.
b. World War II was followed by a 45 year
period of Cold War.
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From space to timeFrom space to time
(5) a. That’s a pretty long log.
b. It has been a pretty long day.
(6) a. They were driving along the river.
b. He new it all along.
(7) a. He is going to the village.
b. The rain is going to help the farmer.
(8) a. At the end of the queue.
b. At the end of the day.
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From space to timeFrom space to time
Past Present Future
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is going to
Boroditsky 2000
From space to timeFrom space to time
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From space to timeFrom space to time
is going to
Boroditsky 2000
komma att
Christmas is coming up soon.
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From space to timeFrom space to time
(2) The revolution is before us.
(3) The revolution is over before breakfast.
(ego-moving)
(time-moving)
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From time to causationFrom time to causation
(1) a. I have been waiting for you since the train left this morning.
b. Since I have an exam tomorrow, I won’t be able to go out tonight.
(2) a. Wenn wir angekommen sind, rufen wir dich an.b. Wenn er dort angekommen ist, hätte er
angerufen.
(3) a. all die Weile > weilb. while
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On the role of frequency in diachronic change
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Frequency and changeFrequency and change
Give 12
Keep 3
Bring 4
See 12
Think 7
Know 5
Eat 2
7 types
47 tokens
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Frequency and changeFrequency and change
summary [söm@ri]
mammary [möm@ri]
summary, memory, family, salary, artillary, cursory,
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0
0,5
1,3
2,6
6,2
11,1
18,2
60,2
0 10 20 30 40 50 60 70
mammary
cursory
artillery
summary
salary
memory
family
every
Verwendungshäufigkeiten
Summe von Häufigkeit
Wort
Frequency and changeFrequency and change
Bybee (2001)
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Zipf’s lawZipf’s law
Frequently used expressions tend to undergo Frequently used expressions tend to undergo
phonetic reduction.phonetic reduction.
Since frequently used expressions are more easily Since frequently used expressions are more easily
predictable, they are more easily identifpredictable, they are more easily identifiableiable even if even if
they are phonetically reduced. they are phonetically reduced.
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Pollack & Pickett (1964)Pollack & Pickett (1964)
Only about 50% of all words produced in continuous Only about 50% of all words produced in continuous speech are phonetically recognizable in isolation. speech are phonetically recognizable in isolation.
Espcially difficult to identify in isolation are grammatical Espcially difficult to identify in isolation are grammatical markers and frequent content words. markers and frequent content words.
Frequent words tend to be phoentically reduced because in Frequent words tend to be phoentically reduced because in a given context they are easily predictable (e.g. you know a given context they are easily predictable (e.g. you know that nouns are often preceded by an article, which therefore that nouns are often preceded by an article, which therefore is easily identified even if it is phonetically reduced. is easily identified even if it is phonetically reduced.
Frequently used expressions may be shorter because Frequently used expressions may be shorter because speakers have more practice producing them. speakers have more practice producing them.
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Krug (1998)Krug (1998)
The reduction effect can also be observed in sequences
of linguistic expressions.
that isthat is vs.vs. that’s that’s
we willwe will vs.vs. we’ll we’ll
I haveI have vs.vs. I’ve I’ve
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Krug (1998)Krug (1998)
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
here how where there who they we you I
Co
ntr
acti
on
rat
io
BEC
LLC
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Bybee & Scheibman (1999)Bybee & Scheibman (1999)
Tokens with an initial [d] and a full vowel [dõt, dõn]Tokens with an initial [d] and a full vowel [dõt, dõn]
Tokens with an initial flap and a full vowel [Tokens with an initial flap and a full vowel [QQõt, õt, QQõ]õ]
Tokens with a flap and a reduced vowel [Tokens with a flap and a reduced vowel [QQə]ə]
Tokens with just a reduced vowel [Tokens with just a reduced vowel [QQə, ə]ə, ə]
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Bybee & Scheibman (1999)Bybee & Scheibman (1999)
[dõt, dõ][dõt, dõ] [[QQõt, õt, QQõ]õ]
[[QQə]ə] [[QQə, ə, ə]ə]
TotalTotal
II 1616 2222 3838 1212 8888
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Bybee & Scheibman (1999)Bybee & Scheibman (1999)
[dõt, dõ][dõt, dõ] [[QQõt, õt, QQõ]õ]
[[QQə]ə] [[QQə, ə, ə]ə]
TotalTotal
II 1616 2222 3838 1212 8888
YouYou 77 77 77
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Bybee & Scheibman (1999)Bybee & Scheibman (1999)
[dõt, dõ][dõt, dõ] [[QQõt, õt, QQõ]õ]
[[QQə]ə] [[QQə, ə, ə]ə]
TotalTotal
II 1616 2222 3838 1212 8888
YouYou 77 77 77
WeWe 22 22 66 88
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Bybee & Scheibman (1999)Bybee & Scheibman (1999)
[dõt, dõ][dõt, dõ] [[QQõt, õt, QQõ]õ]
[[QQə]ə] [[QQə, ə, ə]ə]
TotalTotal
II 1616 2222 3838 1212 8888
YouYou 77 77 77
WeWe 22 22 66 88
TheyThey 11 11 33 44
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Bybee & Scheibman (1999)Bybee & Scheibman (1999)
[dõt, dõ][dõt, dõ] [[QQõt, õt, QQõ]õ]
[[QQə]ə] [[QQə, ə, ə]ə]
TotalTotal
II 1616 2222 3838 1212 8888
YouYou 77 77 77 1414
WeWe 22 22 66 88 88
TheyThey 11 11 33 44
NPNP 55 55 55 55
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Bybee & Scheibman (1999)Bybee & Scheibman (1999)
[dõt, dõ][dõt, dõ] [[QQõt, õt, QQõ]õ]
[[QQəə]]
[[QQə, ə, ə]ə]
TotalTotal
knowknow
22 88 2424 55 3939
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Bybee & Scheibman (1999)Bybee & Scheibman (1999)
[dõt, dõ][dõt, dõ] [[QQõt, õt, QQõ]õ]
[[QQəə]]
[[QQə, ə, ə]ə]
TotalTotal
knowknow
thinkthink
22
77
88
66
2424
66
55
11
3939
2020
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Bybee & Scheibman (1999)Bybee & Scheibman (1999)
[dõt, dõ][dõt, dõ] [[QQõt, õt, QQõ]õ]
[[QQəə]]
[[QQə, ə, ə]ə]
TotalTotal
knowknow
thinkthink
havehave
22
77
11
88
66
77
2424
66
11
55
11
11
3939
2020
99
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Bybee & Scheibman (1999)Bybee & Scheibman (1999)
[dõt, dõ][dõt, dõ] [[QQõt, õt, QQõ]õ]
[[QQəə]]
[[QQə, ə, ə]ə]
TotalTotal
knowknow
thinkthink
havehave
have tohave to
22
77
11
11
88
66
77
22
2424
66
11
11
55
11
11
3939
2020
99
44
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Bybee & Scheibman (1999)Bybee & Scheibman (1999)
[dõt, dõ][dõt, dõ] [[QQõt, õt, QQõ]õ]
[[QQəə]]
[[QQə, ə, ə]ə]
TotalTotal
knowknow
thinkthink
havehave
have tohave to
wantwant
22
77
11
11
11
88
66
77
22
11
2424
66
11
11
33
55
11
11
3939
2020
99
44
55
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Bybee & Scheibman (1999)Bybee & Scheibman (1999)
[dõt, dõ][dõt, dõ] [[QQõt, õt, QQõ]õ]
[[QQəə]]
[[QQə, ə, ə]ə]
TotalTotal
knowknow
thinkthink
havehave
have tohave to
wantwant
seesee
22
77
11
11
11
33
88
66
77
22
11
11
2424
66
11
11
33
55
11
11
3939
2020
99
44
55
44
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Bybee & Scheibman (1999)Bybee & Scheibman (1999)
[dõt, dõ][dõt, dõ] [[QQõt, õt, QQõ]õ]
[[QQəə]]
[[QQə, ə, ə]ə]
TotalTotal
knowknow
thinkthink
havehave
have tohave to
wantwant
seesee
likelike
22
77
11
11
11
33
88
66
77
22
11
11
22
2424
66
11
11
33
55
11
11
3939
2020
99
44
55
44
22
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Bybee & Scheibman (1999)Bybee & Scheibman (1999)
HHigh frequency strings such as igh frequency strings such as I don’t knowI don’t know and and I don’t I don’t thinkthink have turned into processing units. have turned into processing units.
Processing units originate as variants of full forms, but Processing units originate as variants of full forms, but may become conventionalized.may become conventionalized.
The conventionalization of small biases in language The conventionalization of small biases in language production leads to diachronic change.production leads to diachronic change.
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The development of irregular The development of irregular verbsverbs
Old FormOld Form
climbclimb
creepcreep
laughlaugh
yieldyield
stepstep
clombclomb
cropecrope
lowlow
yoldyold
stopestope
Frequency can also be a conservative forceFrequency can also be a conservative force. .
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The development of irregular The development of irregular verbsverbs
Old FormOld Form New FormNew Form
climbclimb
creepcreep
laughlaugh
yieldyield
stepstep
clombclomb
cropecrope
lowlow
yoldyold
stopestope
climbedclimbed
creptcrept
laughedlaughed
yieldedyielded
steppedstepped
Frequency can also be a conservative forceFrequency can also be a conservative force. .
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The development of The development of dodo--supportsupport
QuestionsQuestions
(1)(1) KnowKnow you where Peter is? you where Peter is?
(2)(2) DoDo you you knowknow where Peter is? where Peter is?
NegationNegation
(1)(1) Peter Peter knowknow notnot that we are here. that we are here.
(2)(2) Peter Peter doesdoes not knownot know that we are here. that we are here.
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Krug (2003)Krug (2003)
They know not what they do.They know not what they do.
65%
18% 17%
0%
10%
20%
30%
40%
50%
60%
70%
auxiliaries andmodals
main verbs others
Items preceding not
Per
cen
tag
e
Early Modern English
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Two frequency effectsTwo frequency effects
Reduction effectReduction effect: Development of new forms: Development of new forms
Preserving effectPreserving effect: Protection of high frequency items : Protection of high frequency items
from analogical levelingfrom analogical leveling
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Two types of markednessTwo types of markedness
Structural markednessStructural markedness
Behavioral markednessBehavioral markedness
The two frequency effects have given rise to some striking The two frequency effects have given rise to some striking
cross-linguistic tendencies, which typologists characterize cross-linguistic tendencies, which typologists characterize
with the notion of markedness:with the notion of markedness:
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Structural markednessStructural markedness
SingularSingular PluralPlural
EnglishEnglish tree-tree-ØØ tree-tree-ss
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Structural markednessStructural markedness
SingularSingular PluralPlural
EnglishEnglish tree-tree-ØØ tree-tree-ss
ChineseChinese tree-tree-ØØ tree-tree-ØØ
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Structural markednessStructural markedness
SingularSingular PluralPlural
EnglishEnglish tree-tree-ØØ tree-tree-ss
ChineseChinese tree-tree-ØØ tree-tree-ØØ
LatvianLatvian tree-tree-xx tree-tree-yy
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Structural markednessStructural markedness
SingularSingular PluralPlural
EnglishEnglish tree-tree-ØØ tree-tree-ss
ChineseChinese tree-tree-ØØ tree-tree-ØØ
LatvianLatvian tree-tree-xx tree-tree-yy
tree-tree-xx tree- tree- ØØ
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Structural markednessStructural markedness
If singular nouns occur with an overt number marker, If singular nouns occur with an overt number marker, plural nouns also take a number marker. plural nouns also take a number marker.
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Structural markednessStructural markedness
TurkishTurkish SingularSingular PluralPlural
NominativeNominative
AccusativeAccusative
GenitiveGenitive
DativeDative
LocativeLocative
AblativeAblative
adamadam
adam-adam-KK
adam-adam-KKnn
adam-a adam-a
adam-daadam-da
adam-danadam-dan
adam-laradam-lar
adam-lar-adam-lar-KK
adam-lar-adam-lar-KKnn
adam-lar-aadam-lar-a
adam-lar-daadam-lar-da
adam-lar-danadam-lar-dan
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Structural markednessStructural markedness
If a language uses a case marker for the object it If a language uses a case marker for the object it also uses a case marker for the subject.also uses a case marker for the subject.
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Structural markednessStructural markedness
Frequently used categories are Frequently used categories are structurally unmarked structurally unmarked
because their endings have been reduced.because their endings have been reduced.
Frequently used categories are structurally unmarked Frequently used categories are structurally unmarked
because they function as the default, and marking the because they function as the default, and marking the
default would be redundant.default would be redundant.
How do we account for the asymmetries?How do we account for the asymmetries?
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Local markednessLocal markedness
Turkana
ÎaÎa--muk1muk1 ‘shoes’‘shoes’
a-muk-a-muk-àtàt ‘shoe’‘shoe’
EnglishEnglish
fish, deer, sheepfish, deer, sheep
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Behavioral markednessBehavioral markedness
PresentPresent
11stst SG SG amam
22ndnd SG SG areare
33rdrd SG SG isis
11stst PL PL areare
22ndnd PL PL areare
33rdrd PL PL areare
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Behavioral markednessBehavioral markedness
PresentPresent PastPast
11stst SG SG amam waswas
22ndnd SG SG areare werewere
33rdrd SG SG isis waswas
11stst PL PL areare werewere
22ndnd PL PL areare werewere
33rdrd PL PL areare werewere
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Behavioral markednessBehavioral markedness
The preserving effect of frequency accounts for The preserving effect of frequency accounts for
behavioral markedness: Frequent (irregular) forms behavioral markedness: Frequent (irregular) forms
can be memorized more easily than infrequent ones can be memorized more easily than infrequent ones
(and thus infrequent forms are more easily (and thus infrequent forms are more easily
regularized).regularized).
How do we account for the asymmetry?How do we account for the asymmetry?
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Since the singular is more frequent than the plural, Since the singular is more frequent than the plural,
singular verb forms tend to have more irregularities singular verb forms tend to have more irregularities
than plural verb forms.than plural verb forms.
Since the present tense is more frequent than the Since the present tense is more frequent than the
past tense, present tense forms tend to have more past tense, present tense forms tend to have more
irregularities than past tense forms. irregularities than past tense forms.
Behavioral markednessBehavioral markedness
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ConclusionConclusion
Frequency is an important determinant of language Frequency is an important determinant of language
changechange..
Linguistic knowledge is determined by our experience Linguistic knowledge is determined by our experience
with language.with language.
Grammar is shaped by language use.Grammar is shaped by language use.
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ConclusionConclusion
Grammar is a fluid system that is constantly Grammar is a fluid system that is constantly
changing by virtue of the psychological mechanisms changing by virtue of the psychological mechanisms
involved in language use. involved in language use.
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ConclusionConclusion
In the past, linguistic research was concerned with In the past, linguistic research was concerned with
invariable categories and eternal rules. invariable categories and eternal rules.
In the future, linguistics should focus on cognitive and In the future, linguistics should focus on cognitive and
psychological mechanisms driving the emergence of psychological mechanisms driving the emergence of
linguistic structure. linguistic structure.
What we need is a dynamic theory of grammar, in which What we need is a dynamic theory of grammar, in which
linguistics categories and constructions are seen as linguistics categories and constructions are seen as
emergent phenomena that we will only understand if we emergent phenomena that we will only understand if we
take into account how they evolved, both in history and in take into account how they evolved, both in history and in
language acquisition.language acquisition.
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This is the end.This is the end.